LEPIDOPTERA HETEROCERA. 501 



North America. 



26. Adela purpurea. 



Mas. Obscure purpurea ; caput pilosissimum ; antenna', alis an- 

 ticis plus duplo longiores ; alee anticce cupreo conspersce, fascia 

 exteriore angusta llneaque submarginali transversa arcuata 

 albis; postica? cuprece, 



Male. Dark purple. Head very pilose. Antennae much more 

 than twice longer than the fore wings. Fore wings with cupreous 

 spangles ; a narrow white hand heyond the middle, and with a sub- 

 apical transverse curved white line. Hind wings cupreous. Length 

 of the body 3 lines ; of the wings 9 lines. 



a. St. Martin's Falls, Albany Kiver, Hudson's Bay. Presented by 

 Dr. Barnston. 



27. Adela belle la. 



Fcem. Purpureo-cuprea ; caput luteum ; antenna corpore multo 

 longiores, apices versus albida ; alee anticce fascia aurato-fiava 

 cyaneo marginata, spatio interior e aurato lineis cyaneis aut 

 purpureis, lineis exterioribus auratis. 



Female. Purplish cinereous. Head luteous. Antennae stout, 

 whitish towards the tips, much longer than the body. Fore wings 

 with a bright gilded yellow exterior band, bordered with blue ; inte- 

 rior space gilded, with four blue or purple stripes ; exterior space 

 with eight gilded stripes. Length of the body 3j lines ; of the 

 wings 9 lines. 



Closely allied to A. Degeerella. 

 a. St. Martin's Falls, Albany River, Hudson's Bay. Presented by 



Dr. Barnston. 



South Africa. 

 28. Adela albicornis. 



Mas. Cupreo-purpurea ; palpi pilosissimi, capitis latitudine 



paullo longiores; alee anticce fascia media guttaque costali 



exteriore fiavis. 



Male. Cupreous-purple. Palpi black, thickly clothed with 



long hairs, a little longer than the breadth of the head. Antennae 



white, more than twice longer than the fore wings. Fore wings 



with a yellow middle band, and with a yellow costal dot beyond 



